Ontario Highway Traffic Act

Actually, I just got thinking....If you get a "temporary" license permit for a vehicle it is a sticker which is mounted inside the front windshield....No rear plate and not front plate mounted on bumpers. Why is this okay...?
Also, Auto Dealers when using/transporting/driving a vehicle have no front plate either only a rear plate is attached ...

After my wife retrurned to Canada, the vehicle had to go through a "RIV" registrar of imported vehicles -"Inspection" process which requires the vehicle to be inspected by a certified apponted "RIV" garage and meet/exceed all canadian/Ontario standards such as Daytime running lights, bumpers, seatbelts etc. (they have a checklist to go through ...

license plates